Requesting changes in PR doesn't trigger webhook

[dochan-consultis]

• Gitea version (or commit ref): 1.9.0
• Git version: 2.23.0
• Operating system: Ubuntu
• Database (use [x]):
  • PostgreSQL
  • MySQL
  • MSSQL
  • SQLite
• Can you reproduce the bug at https://try.gitea.io:
  • Yes (provide example URL)
  • No
  • Not relevant
• Log gist:

Description

In case when you:

1. Create PR
2. Start review
3. Create multiple comments
4. Request changes

It doesn't trigger webhook for pull_request_rejected action.